Potential-induced structural deformation at electrode surfaces

The atomic structure on the metal side of the electrochemical interface depends on the applied electric potential and the nature of the adsorbing species in the electrolyte solution. In this short article, we review some recent results probing surface stress and surface relaxation effects in single-...

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Bibliographic Details
Published in:Current opinion in electrochemistry 2020-02, Vol.19, p.168-174
Main Authors: Gründer, Yvonne, Lucas, Christopher A.
Format: Article
Language:English
Subjects:
Electrocatalysis
Electrochemistry
Electronic structure
Surface reconstruction
Surface relaxation
Surface stress
Surface x-ray diffraction
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Summary:The atomic structure on the metal side of the electrochemical interface depends on the applied electric potential and the nature of the adsorbing species in the electrolyte solution. In this short article, we review some recent results probing surface stress and surface relaxation effects in single-crystal metal electrodes that are driven by potential changes. Both the potential and the structure in the electrolyte layers at the interface alter the metal electronic structure so that the surface in the electrochemical environment is strongly modified from the ultra-high vacuum counterpart. A methodology for linking experimental and theoretical approaches for a fundamental understanding of electrochemical reactions is proposed.
ISSN:2451-9103
2451-9111
DOI:10.1016/j.coelec.2019.12.009